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EXPLANATION <br /> Approximate location of soil boring <br /> advanced by Geological Technics <br /> NN Inc., 1995 <br /> Approximate location of soil boring <br /> advanced by Radian International <br /> l' LLC, 1998 <br /> oiDellne �� N Approximate location of monitoring <br /> ^:;a ort ' �% wells installed by Radian <br /> International LLC, 1998 <br /> Estimated extent of residual <br /> Analyte July Nov. <br /> SF_- _ petroleum based on analytical data <br /> � , <br /> TPHd 53 <50 —1 i (TPHd or TPHmo > 100 mg/kg) or <br /> TPHmo <50 NA t visual observations. <br /> TPHg <100 NA lJ j ` Analyte July Nov. <br /> BTEX NO NA –4 TPHd 230 <50 74.2 Line of equal elevation of <br /> PAHs NO NO W TPHmo <50 NA potentiometric surface, contour <br /> CP TPHg <100 NA <br /> BTEX NO NA interval is 0.4 feet <br /> PAHs NO NO 73.78 Water level in feet above mean <br /> sea level on 28 July 1998 <br /> 3 <br /> Analyte July Nov. Groundwater analytical results (in <br /> MW-3 I o TPHd 150 <50 Ng/I) from Radian (July 1998) and <br /> 1 TPHmo <50 NA <br /> 74.72 3 MW-2 TPHg <100 NA Geomatrix(Nov., 1998). See Table <br /> + 73.78 BTEX NO NA 5 for methods and detection limits. <br /> PAHs ND ND <br /> 1 NA= not analyzed; ND= not <br /> detected; NM = no measurement <br /> _.Y <br /> due to the presence of se arate- <br /> S N M P P <br /> phase petroleum <br /> MW-1 <br /> Gco��a <br /> two' E <br /> Analyte July Nov. + <br /> TPHd 150 <50 + <br /> t <br /> TPHmo <50 NA to;r'-a <br /> S <br /> TPHg <100 NA _ <br /> BTEX NO NA ! <br /> PAHs NO NO MWS – —-- <br /> ' 74.59 <br /> z <br /> ------------------------------- <br /> + <br /> I <br /> 1 <br /> ,i <br /> C a t <br /> � 7 <br /> t <br /> G <br /> 3 <br /> 0 50 feet <br /> 0 <br /> I I <br /> cy <br /> GROUNDWATER ANALYTICAL RESULTS AND POTENTIOMETRIC SURFACE Project No. <br /> Roberts Property 5011 <br /> (Former Vernalis Pump Station) <br /> 8 GEOMATRIX 35500 Welty Road Figure <br /> Vernalis, California 3 <br />